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timer debug: Hide kernel addresses via %pK in /proc/timer_list

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In the continuing effort to avoid kernel addresses leaking to
unprivileged users, this patch switches to %pK for
/proc/timer_list reporting.

Signed-off-by: Kees Cook <kees.cook@canonical.com>
Cc: John Stultz <johnstul@us.ibm.com>
Cc: Dan Rosenberg <drosenberg@vsecurity.com>
Cc: Eugene Teo <eugeneteo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
LKML-Reference: <20110212032125.GA23571@outflux.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Kees Cook 2011-02-11 19:21:25 -08:00 committed by Ingo Molnar
parent d2478521af
commit f590308536
1 changed files with 2 additions and 2 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

4
kernel/time/timer_list.c
View file

@ -41,7 +41,7 @@ static void print_name_offset(struct seq_file *m, void *sym)
char symname[KSYM_NAME_LEN];
if (lookup_symbol_name((unsigned long)sym, symname) < 0)
SEQ_printf(m, "<%p>", sym);
SEQ_printf(m, "<%pK>", sym);
else
SEQ_printf(m, "%s", symname);
}
@ -112,7 +112,7 @@ print_active_timers(struct seq_file *m, struct hrtimer_clock_base *base,
static void
print_base(struct seq_file *m, struct hrtimer_clock_base *base, u64 now)
{
SEQ_printf(m, " .base: %p\n", base);
SEQ_printf(m, " .base: %pK\n", base);
SEQ_printf(m, " .index: %d\n",
base->index);
SEQ_printf(m, " .resolution: %Lu nsecs\n",